The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 2022
Filed:
Nov. 01, 2018
Nitto Denko Corporation, Osaka, JP;
Kari Rinko, Helsinki, FI;
NITTO DENKO CORPORATION, Osaka, JP;
Abstract
A light distribution structureand a related element, such as a light guide, are provided. The structureis preferably an optically functional layer comprising an at least one feature patternA established in a light-transmitting carrier by a plurality of three-dimensional optical features variable in terms of at least one of the cross-sectional profile, dimensions, periodicity, orientation and disposition thereof within the feature pattern. In some instances, the optical features are embodied as internal optical cavitiescapable to establish the total internal reflection (TIR) function at a horizontal surface and at an essentially vertical surface thereof. A method for manufacturing the light distribution structure is further provided.